bolt-ons
n.pl.—Gloss: surgically enhanced breasts. «Like the time I went into the rest room at one Super Bowl party, and the models were all in there topless and touching each others chests and asking each other if their bolt-ons felt real or if they were the right size or did they go too big.» —“Arizona Super Bowl XLII Parties: Telling You the Way It Really Is” by Stephanie Stradley FanHouse AOL Sports Blog Jan. 28, 2008. (source: Double-Tongued Dictionary)